Choice of rolling bearings with grease or oil

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Rolling bearing both rolling friction and sliding friction. Sliding friction is caused due to the rolling bearing surface curve deviation and load bearing deformation. For example, between the rolling elements and the ring, due to the ball and the ring is not absolutely rigid body, their contact area is always to be generated elastic deformation, is theoretically point contact or line contact, while in practice always to load working conditions into surface contact with , therefore having a different diameter of the contact point has a different line speed to produce the sliding friction. Similarly, due to various reasons causes the rolling element and retainer and the retainer and sliding friction between the inner and outer ring. And the sliding friction is increased with the increase of the speed and load, in order to reduce friction, wear, and reduce the temperature, noise, and to prevent the rusting of the bearing member, the correct choice of lubricant and reasonable lubrication, appropriately controlling the quantity of lubricant is an important issue to improve the bearing life.abec bearings
Rolling bearing oil or fat based on:
The advantages of using the rolling bearing lubricants lubrication:
1) in the under certain operating specification, the use of lubricants and significantly smaller than the starting torque and friction loss of the grease lubrication.
2) Since the heat away to a cooling effect by the lubricating oil in the cycle, it enables the bearing to achieve a relatively high rotational speed.
3) guaranteed to achieve relatively high use temperature.
4) change the fat must be demolishing the coupling parts, oil lubrication unnecessary trouble.angular bearing
5) oil-lubricated bearing in the gear box when it is appropriate, because the oil is at the same time to achieve the purpose of lubricating gears and bearings splash.
6) in the bearing grease gradually being product wear, abrasive, from the outside through the sealing means penetration and aging p roducts stained, if not promptly replaced, the cause of accelerated wear of the bearing, while the application of liquid lubricant, After filtration to ensure its proper functioning.